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ADV 8th Benchmark Review 2-b
Test Description: Review game for Science 8th Benchmark 2
Instructions: Answer all questions to get your test result.
1) Which property of aluminum makes it a suitable metal for soft drink cans?
A
It can be hammered into thin sheets (malleability)
B
It has good electrical conductivity
C
It can reflect light (shininess)
D
It can be drawn into long thin wires (ductility)
2) What element has an atomic number of 18?
A
argon
B
hydrogen
C
fluorine
D
oxygen
3) Use the periodic table. An atom of fluorine has 10 neutrons. What is the total number of particles in this atom?
A
9 protons and 9 electrons
B
9 protons and 19 electrons
C
10 protons and 10 electrons
D
19 protons and 19 electrons
4) Which elements are inert gases?
A
oxygen, fluorine and chlorine
B
sulfur, chlorine and argon
C
neon and argon
D
oxygen, fluorine and neon
5) The three particles that make up an atom are
A
protons, neutrons and electrons
B
electrons, elements and compounds
C
protons, neutrons and nuclei
D
electrons, energy levels and isotopes
6) A substance made of two or more elements chemically combined in a set ratio is a(n)
A
compound
B
solid
C
ion
D
mixture
7) What would happen if a solid substance gains enough energy so that it melts completely
A
The particles would spread apart widely and fill the entire container
B
The particles spread out into a layer that fills the bottom part of the container
C
The particles remain locked together in the same shape.
D
The particles would chemically change into new substances
8) Which is the most correct analogy for the behavior of particles in a gas
A
You and your family coming out of a movie theater
B
You in a classroom
C
You at the movies
D
You playing soccer
9) How many protons are in the nucleus of an atom of Phosphorous?
A
27
B
31
C
5
D
15
10) Where in the periodic table are metals found?
A
to the left of the zigzag line and in the two rows below the main table
B
to the right of the zigzag line
C
to the right of the zigzag line and in the two rows below the main table
D
only in the two rows below the main table
*select an answer for all questions
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